Cover for a tissue dispenser



FIG. 1 is a top plan view of a cover for a tissue dispenser showing my new design;

FIG. 2 is a right side elevational view, the left side being substantially a mirror image thereof;

FIG. 3 is a front elevational view;

FIG. 4 is a rear elevational view; and

FIG. 5 is a bottom plan view. 

The ornamental design for a cover for a tissue dispenser, as shown and described. 